Vinicius Caires developed foundational Digital Twin documentation for the Electric Powertrain in the verg1lio/XangoER repository, focusing on establishing clear objectives and outlining capabilities for dynamic simulation, performance analysis, and interactive visualization. He applied his expertise in Python, Dash, and data visualization to define a reusable documentation baseline that supports future development and validation. By aligning product and engineering teams on scope and roadmap, Vinicius improved planning accuracy and cross-functional collaboration. His work emphasized technical writing, requirements elicitation, and disciplined documentation, providing a unified reference that enables consistent milestones and prioritization for downstream engineering and stakeholder engagement activities.